Java Duration equals(Duration)用法及代碼示例

java.time包中的Duration Class的equals(Duration)方法用於檢查此持續時間是否等於作為參數傳遞的持續時間。

用法:

public boolean equals(Duration otherDuration)

參數：此方法接受參數otherDuration，該參數是將與該持續時間進行比較的持續時間。

返回值：此方法返回一個布爾值，該值指示此Duration是否等於otherDuration。

以下示例說明了Duration.equals()方法：

示例1:

// Java code to illustrate equals() method 
  
import java.time.Duration; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // Duration using parse() method 
        Duration duration1 
            = Duration.parse("P2DT3H4M"); 
  
        // Duration using ofDays() method 
        Duration duration2 
            = Duration.ofDays(10); 
  
        // Compare the durations 
        // using equals() method 
        System.out.println(duration1 
                               .equals(duration2)); 
    } 
}

輸出：

false

示例2:

// Java code to illustrate equals() method 
  
import java.time.Duration; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // Duration using ofHours() method 
        Duration duration1 
            = Duration.ofHours(5); 
  
        // Duration using ofHours() method 
        Duration duration2 
            = Duration.ofHours(5); 
  
        // Compare the durations 
        // using equals() method 
        System.out.println(duration1 
                               .equals(duration2)); 
    } 
}

輸出：

true

示例3:

// Java code to illustrate equals() method 
  
import java.time.Duration; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // Duration using ofDays() method 
        Duration duration1 
            = Duration.ofDays(5); 
  
        // Duration using ofHours() method 
        Duration duration2 
            = Duration.ofHours(5); 
  
        // Compare the durations 
        // using equals() method 
        System.out.println(duration1 
                               .equals(duration2)); 
    } 
}

輸出：

false

參考： Oracle Doc

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